On Mon, Mar 30, 2015 at 06:19:28PM -0400, Robert Sanford wrote: > Yes, applications have many choices for PRNGs. But, we still need one > internally for the following libs: PMDs (e1000, fm10k, i40e, ixgbe, virtio, > xenvirt), sched, and timer. > They can be updated to use the apropriate rng from an external library. Neil
> > On Fri, Mar 27, 2015 at 8:03 PM, Stephen Hemminger < > stephen at networkplumber.org> wrote: > > I would argue remove rte_rand from DPDK. > > > > On Mon, Mar 30, 2015 at 1:28 AM, Stephen Hemminger < > stephen at networkplumber.org> wrote: > > > if some one needs PRNG, th GNU scientific library has lots of them > > > > https://www.gnu.org/software/gsl/manual/html_node/Random-number-generator-algorithms.html > > > > On Fri, Mar 27, 2015 at 5:38 PM, Matthew Hall <mhall at mhcomputing.net> > > wrote: > > > > > On Fri, Mar 27, 2015 at 05:03:02PM -0700, Stephen Hemminger wrote: > > > > I would argue remove rte_rand from DPDK. > > > > > > +1 > > > > > > To paraphrase Donald Knuth, "Random numbers should not be generated > > [using > > > a > > > function coded] at random." > > > > > > It'd be better to fix libc, or considering that has a slow dev cycle and > > > platform compatibility limits, use some simple, semi-random, > > > high-performance > > > BSD licensed routine from a known-good library. > > > > > > Matthew. > > > > > >
